From Minkowski space to de Sitter space - A symmetry breakdown mechanism

Details From Minkowski space to de Sitter space - A symmetry breakdown mechanism From Minkowski space to de Sitter space - A symmetry breakdown mechanism

May 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986cqgra...3..453n&link_type=abstract

Classical and Quantum Gravity (ISSN 0264-9381), vol. 3, May 1, 1986, p. 453-460.

Physics

2

Broken Symmetry, Cosmology, Einstein Equations, Feedback, Minkowski Space, Perturbation Theory, Equations Of Motion, Space-Time Functions

Scientific paper

A perturbative approach is presented to the equations describing the behavior of a quantum scalar field in a self-consistently generated Robertson-Walker universe. This approach throws new light on the significance of the threshold mass which governs both the instability of Minkowski space and the existence of self-consistent cosmologies. Using this perturbative analysis to the third order, and using the same subtraction procedure which gives the Minkowskian instability and the threshold mass, it is shown that a de Sitter cosmology is the unique future of the Minkowski space.

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